Finding the Fourth Proportional to 156,866.44, 216,263.70 and 106,477.96
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Solution
The fourth proportional to 156,866.44, 216,263.70 and 106,477.96 is: 146,795.69
Step by Step Solution
- Step 1: Write the proportion equation
156,866.44 : 216,263.70 = 106,477.96 : x - Step 2: Convert to fraction form
156,866.44/216,263.70 = 106,477.96/x - Step 3: Cross multiply
156,866.44x = 216,263.70 × 106,477.96 - Step 4: Simplify right side
156,866.44x = 23,027,317,598.05 - Step 5: Solve for x
x = 23,027,317,598.05/156,866.44 - Step 6: Final answer
x = 146,795.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.